create table user_tmp ( uid integer primary key autoincrement not null, name text collate nocase not null, password text, email text collate nocase, gender integer not null, language text not null, is_admin boolean not null default false, create_by text not null, avatar_updated_at timestamp not null default '1970-01-01 00:00:00', created_at timestamp not null default current_timestamp, updated_at timestamp not null default current_timestamp ); create unique index user_tmp_email on user (email);